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Read Vrefint in STM32F105VCT7

SPeri.1
Associate II

‎2024-03-17 08:14 AM

I want to get an actual voltage reading at VDDA and I have configured the Vrefint adc channel. I saw in another questionnaire mentioning VDDA = 3.3*(VREFINT_CAL/VREFINT_DATA). But it seems like no macro exists as VREFINT_CAL. How can I read the VDDA value?

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STTwo-32
ST Employee

‎2024-03-17 09:15 AM

Hello @SPeri.1 

I suggest you to take a look at those two posts:

Best Regards.

STTwo-32 

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